A particle is projected with a velocity `v` so that its range on a horizontal plane is twice the greatest height attained. If `g` is acceleration due to gravity, then its range is
A. `(4v^(2))/(5g)`
B. `(4g)/(5v^(2))`
C. `(v^(2))/g`
D. `(4v^(2))/sqrt5g`
